Casey N Rives, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

C155656 Issued in CA

Practice address

317 W Pueblo St
Santa Barbara, CA 93105

Phone

(805) 898-3077

NPI assigned

May 26, 2009

Last updated

Sep 3, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Other names 1

• Casey N Willimann Former name

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

University of Missouri, Kansas City, School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sansum ClinicGroup PAC ID 3678471976, 320 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Santa Barbara Cottage Hospital Hospital, Santa Barbara, CA, CCN 050396
• Goleta Valley Cottage Hospital Hospital, Santa Barbara, CA, CCN 050357
• Santa Ynez Valley Cottage Hospital Hospital, Solvang, CA, CCN 051331

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: crives760713@hisp.ehr.sutterhealth.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Sansum Clinic

  • Multi-Specialty Clinic/Center
  • Santa Barbara, CA
  • NPI 1154354504
  Medicare reassignment Care Compare group NPD
• Cottage Medical Foundation

  dba Cottage Medical Group

  • Clinic/Center
  • Santa Barbara, CA
  • NPI 1770352130
  Medicare reassignment
• Sansum Clinic

  • Ambulatory Surgical Clinic/Center
  • Santa Barbara, CA
  • NPI 1144648015
  NPD
• Sansum Clinic

  • Multi-Specialty Clinic/Center
  • Santa Barbara, CA
  • NPI 1932121514
  NPD
• Sansum Clinic

  • Ambulatory Surgical Clinic/Center
  • Santa Barbara, CA
  • NPI 1649296807
  NPD (past)
• New Liberty Hospital Corporation

  dba The Liberty Clinic

  • Family Medicine Physician
  • Liberty, MO
  • NPI 1023360690

  Internal Medicine

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Goleta Valley Cottage Hospital

  • General Acute Care Hospital
  • Santa Barbara, CA
  • NPI 1225038136
  Care Compare affiliation
• Santa Barbara Cottage Hospital

  • General Acute Care Hospital
  • Santa Barbara, CA
  • NPI 1477554152
  Care Compare affiliation
• Santa Ynez Valley Cottage Hospital, Inc

  • General Acute Care Hospital
  • Solvang, CA
  • NPI 1952301863
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1243296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1720213382",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 62106",
            "city": "SANTA BARBARA",
            "state": "CA",
            "postal_code": "931602106",
            "telephone_number": "805-898-3077"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "317 W PUEBLO ST",
            "city": "SANTA BARBARA",
            "state": "CA",
            "postal_code": "93105",
            "telephone_number": "805-898-3077"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "400 W Pueblo St",
            "address_purpose": "LOCATION",
            "city": "Santa Barbara",
            "state": "CA",
            "postal_code": "931054353",
            "country_code": "US",
            "telephone_number": "805-879-8160",
            "fax_number": "805-225-6231",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RIVES",
        "first_name": "CASEY",
        "middle_name": "N",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-05-26",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "C155656",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "C155656",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "C155656",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CASEY",
            "last_name": "WILLIMANN",
            "middle_name": "N",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Miguel Angel Rivera Jr., B.A
• Sylvia Rivera, M.D.
• David Rivere-Feld, PT
• Esteban Rivero
• Adam Warren Rives, M.D.
• Cathy Merle Rives, M.D.
• Riviera ENT PC
• Riviera Health Group
• Riviera Psychology Group Inc
• Joe Rizk

• Hospitalist Physician in Santa Barbara, CA
• Providers in Santa Barbara, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.